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666daa68 MA |
1 | /* |
2 | * QEMU host block devices | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or | |
7 | * later. See the COPYING file in the top-level directory. | |
8 | */ | |
9 | ||
10 | #ifndef BLOCKDEV_H | |
11 | #define BLOCKDEV_H | |
12 | ||
13 | #include "block.h" | |
14 | #include "qemu-queue.h" | |
15 | ||
16 | typedef enum { | |
17 | IF_NONE, | |
18 | IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, | |
19 | IF_COUNT | |
20 | } BlockInterfaceType; | |
21 | ||
22 | typedef enum { | |
23 | BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC, | |
24 | BLOCK_ERR_STOP_ANY | |
25 | } BlockInterfaceErrorAction; | |
26 | ||
27 | #define BLOCK_SERIAL_STRLEN 20 | |
28 | ||
29 | typedef struct DriveInfo { | |
30 | BlockDriverState *bdrv; | |
31 | char *id; | |
32 | const char *devaddr; | |
33 | BlockInterfaceType type; | |
34 | int bus; | |
35 | int unit; | |
36 | QemuOpts *opts; | |
37 | BlockInterfaceErrorAction on_read_error; | |
38 | BlockInterfaceErrorAction on_write_error; | |
39 | char serial[BLOCK_SERIAL_STRLEN + 1]; | |
40 | QTAILQ_ENTRY(DriveInfo) next; | |
41 | } DriveInfo; | |
42 | ||
43 | #define MAX_IDE_DEVS 2 | |
44 | #define MAX_SCSI_DEVS 7 | |
45 | ||
46 | extern QTAILQ_HEAD(drivelist, DriveInfo) drives; | |
47 | ||
48 | extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); | |
49 | extern DriveInfo *drive_get_by_id(const char *id); | |
50 | extern int drive_get_max_bus(BlockInterfaceType type); | |
51 | extern void drive_uninit(DriveInfo *dinfo); | |
52 | extern const char *drive_get_serial(BlockDriverState *bdrv); | |
53 | ||
54 | extern BlockInterfaceErrorAction drive_get_on_error( | |
55 | BlockDriverState *bdrv, int is_read); | |
56 | ||
57 | extern QemuOpts *drive_add(const char *file, const char *fmt, ...); | |
58 | extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, | |
59 | int *fatal_error); | |
60 | ||
61 | /* device-hotplug */ | |
62 | ||
63 | DriveInfo *add_init_drive(const char *opts); | |
64 | ||
65 | void do_commit(Monitor *mon, const QDict *qdict); | |
66 | int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
67 | int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
68 | int do_change_block(Monitor *mon, const char *device, | |
69 | const char *filename, const char *fmt); | |
70 | ||
71 | #endif |